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PWM CONTROLLER. AP3107 Datasheet

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PWM CONTROLLER. AP3107 Datasheet






AP3107 CONTROLLER. Datasheet pdf. Equivalent




AP3107 CONTROLLER. Datasheet pdf. Equivalent





Part

AP3107

Description

HIGH VOLTAGE GREEN MODE PWM CONTROLLER



Feature


Preliminary Datasheet HIGH VOLTAGE GREEN MODE PWM CONTROLLER AP3107/H General Description The AP3107/H series is the high voltage start-up, current mode PWM controller with green mode power-savin g operation. To minimize the standby po wer consumption, a proprietary adaptive green mode function provides frequency modulation at light load conditions. T o avoid acoustic n.
Manufacture

BCD

Datasheet
Download AP3107 Datasheet


BCD AP3107

AP3107; oise problems, the minimum PWM frequency is set at about 26kHz. The AP3107/H se ries features proprietary frequency dit hering function internally that helps t o reduce EMI emission of a power supply with minimum line filters used. The AP 3107/H also integrates a lot of functio ns such as Leading-Edge Blanking (LEB) of the current sensing, internal slope compensation, line.


BCD AP3107

compensation and several protection fea tures. The protection functions include cycle-by-cycle current limit (OCP), ov er voltage protection, OTP, OLP and bro wnout protection. The AP3107/H series i s available in SOIC-7 package. Feature s • • • High-voltage Start-up Cir cuit Low Start-up Current: 15µA Max. F ixed Oscillation Frequency: 65kHz (AP31 07) 130kHz (AP3107H) Ultr.


BCD AP3107

a Low Standby Power Application Non-audi ble-noise Green Mode Control LEB (Leadi ng-edge Blanking) on SENSE Pin Soft Dri ving Fast OCP for Abnormal Short Circui t Frequency Linearly Decreasing at Ligh t Load Internal Slope Compensation Prog rammable Brownout Protection Useful Pin Fault Protections SENSE, FB, BNO Pins Floating FB Short to Ground Comprehensi ve System Protecti.

Part

AP3107

Description

HIGH VOLTAGE GREEN MODE PWM CONTROLLER



Feature


Preliminary Datasheet HIGH VOLTAGE GREEN MODE PWM CONTROLLER AP3107/H General Description The AP3107/H series is the high voltage start-up, current mode PWM controller with green mode power-savin g operation. To minimize the standby po wer consumption, a proprietary adaptive green mode function provides frequency modulation at light load conditions. T o avoid acoustic n.
Manufacture

BCD

Datasheet
Download AP3107 Datasheet




 AP3107
Preliminary Datasheet
HIGH VOLTAGE GREEN MODE PWM CONTROLLER
AP3107/H
General Description
The AP3107/H series is the high voltage start-up,
current mode PWM controller with green mode
power-saving operation.
To minimize the standby power consumption, a
proprietary adaptive green mode function provides
frequency modulation at light load conditions. To
avoid acoustic noise problems, the minimum PWM
frequency is set at about 26kHz.
The AP3107/H series features proprietary frequency
dithering function internally that helps to reduce EMI
emission of a power supply with minimum line filters
used.
The AP3107/H also integrates a lot of functions such
as Leading-Edge Blanking (LEB) of the current
sensing, internal slope compensation, line
compensation and several protection features. The
protection functions include cycle-by-cycle current
limit (OCP), over voltage protection, OTP, OLP and
brownout protection.
The AP3107/H series is available in SOIC-7 package.
Features
• High-voltage Start-up Circuit
• Low Start-up Current: 15µA Max.
• Fixed Oscillation Frequency:
65kHz (AP3107)
130kHz (AP3107H)
• Ultra Low Standby Power Application
• Non-audible-noise Green Mode Control
• LEB (Leading-edge Blanking) on SENSE Pin
• Soft Driving
• Fast OCP for Abnormal Short Circuit
• Frequency Linearly Decreasing at Light Load
• Internal Slope Compensation
• Programmable Brownout Protection
• Useful Pin Fault Protections
SENSE, FB, BNO Pins Floating
FB Short to Ground
• Comprehensive System Protections
VCC Over Voltage Protection (VOVP)
Over Temperature Protection (OTP)
Constant Over Load Protection (COLP)
Short Circuit Protection (SCP)
• Compact Size SOIC-7 Package
Applications
Switching AC/DC Adaptor
• LCD Monitor/TV Power
• Open Frame Switching Power Supply
Sep. 2011 Rev. 1. 0
SOIC-7
Figure 1. Package Type of AP3107/H
BCD Semiconductor Manufacturing Limited
1
Free Datasheet http://www.datasheet4u.net/




 AP3107
Preliminary Datasheet
HIGH VOLTAGE GREEN MODE PWM CONTROLLER
AP3107/H
Pin Configuration
M Package
(SOIC-7)
BNO 1
FB 2
SENSE 3
GND 4
7 HV
6 VCC
5 GATE
Figure 2. Pin Configuration of AP3107/H (Top View)
Pin Description
Pin Number Pin Name
Function
Brownout Protection Pin. Connected to GND by a resistor to set the brownout
1 BNO level. This pin is shortened to the ground to set the maximum brownout
voltage
2
FB
Voltage Feedback Pin., Connecting it with an opto-coupler to close the control
loop can achieve system regulation
3 SENSE Current Sense Pin. Connect it to sense the MOSFET current
4 GND Ground
5 GATE Gate drive output to drive the external MOSFET
6 VCC Supply Voltage Pin
Connect this pin to the positive terminal of bulk capacitor to provide start-up
7 HV current for the controller. When VCC voltage reaches UVLO (on), this HV
loop will be turned off to save the power loss of the start-up circuit
Sep. 2011 Rev. 1. 0
BCD Semiconductor Manufacturing Limited
2
Free Datasheet http://www.datasheet4u.net/




 AP3107
Preliminary Datasheet
HIGH VOLTAGE GREEN MODE PWM CONTROLLER
AP3107/H
Functional Block Diagram
6
VCC
35V
HV
7
Line Sense
Line Sense
16V
8.6V
UVLO
UVLO Internal Bias
OTP
BOK ON
VCC OVP
25 s
Filter
PG BOK ON/OFF
VDD
BNO Sense
R4
140
OTP
OLP
BOK OFF
35ms
Filter
28V
OVP
VCC OVP
PG
OSC with
Frequency Dithering
D QB
DFF
CLK
RB
Soft 18V
Driver
1 BNO
5
GATE
R3
0.3V
Burst
Mode
2
FB
R1
GND 4
OLP
OLP
2R2 1.1V
R2
PWM
OCP
0.85V
4ms
Soft Start
FOCP
2.2V
Line Sense
250ns LEB
3 SENSE
Figure 3. Functional Block Diagram of AP3107/H
Sep. 2011 Rev. 1. 0
BCD Semiconductor Manufacturing Limited
3
Free Datasheet http://www.datasheet4u.net/






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